This lesson is designed as a supporting resource for the HHMI resource, The Biology of Skin Color. The interactive animation describes how and where melanin is produced and includes five stop points where students can learn more information. Supporting materials include a student worksheet consisting of questions related to each of the five stop points. The resource can be used with units related to genetics, evolution (see https://docs.google.com/document/d/1Yi_yBAHD9ERSAd-kr4w_dk09G4uG-unNP5SgwFON-Bk/edit for a review), and cell structure and function. Portions of this video would be appropriate for middle school students.